RAJASTHAN PMT Rajasthan - PMT Solved Paper-2009

  • question_answer
    Both heterospory and circinate plyxis occur in

    A)  Dryopteris                        

    B)  Finns

    C)  Cycas                   

    D)         Funaria

    Correct Answer: C

    Solution :

    Cycas and Pinus both are heterosporous plants because they produce two types of spores megaspores and microspores. But circinate ptyxis is present in Cycas only. In circinate tyxis, the leaf in a young stage coils in a special manner.


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